1630476413 has 2 divisors, whose sum is σ = 1630476414. Its totient is φ = 1630476412.

The previous prime is 1630476383. The next prime is 1630476437. The reversal of 1630476413 is 3146740361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1628768164 + 1708249 = 40358^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630476413 - 2¹² = 1630472317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630476473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815238206 + 815238207.

It is an arithmetic number, because the mean of its divisors is an integer number (815238207).

Almost surely, 2^1630476413 is an apocalyptic number.

It is an amenable number.

1630476413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630476413 is an equidigital number, since it uses as much as digits as its factorization.

1630476413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1630476413 is about 40379.1581512047. The cubic root of 1630476413 is about 1176.9865686209.

The spelling of 1630476413 in words is "one billion, six hundred thirty million, four hundred seventy-six thousand, four hundred thirteen".